We will keep their information as per statutory requirements, which I believe is the tax year and six years in addition to that, so seven years. I'm not aware of any other retention that we do beyond that, but I will confirm that and follow up with the committee in writing.
Evidence of meeting #145 for Access to Information, Privacy and Ethics in the 44th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was data.
A recording is available from Parliament.